76 lines
4.5 KiB
HTML
76 lines
4.5 KiB
HTML
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<?xml version="1.0" encoding="UTF-8"?>
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<!DOCTYPE html
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PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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<html lang="en-us" xml:lang="en-us">
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
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<meta name="security" content="public" />
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<meta name="Robots" content="index,follow" />
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<meta http-equiv="PICS-Label" content='(PICS-1.1 "http://www.icra.org/ratingsv02.html" l gen true r (cz 1 lz 1 nz 1 oz 1 vz 1) "http://www.rsac.org/ratingsv01.html" l gen true r (n 0 s 0 v 0 l 0) "http://www.classify.org/safesurf/" l gen true r (SS~~000 1))' />
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<meta name="DC.Type" content="concept" />
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<meta name="DC.Title" content="What's new for V5R4" />
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<meta name="abstract" content="Describes what information is new or significantly changed in this release." />
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<meta name="description" content="Describes what information is new or significantly changed in this release." />
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<meta name="DC.Relation" scheme="URI" content="rzajagetstart.htm" />
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<meta name="copyright" content="(C) Copyright IBM Corporation 2000, 2006" />
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<meta name="DC.Rights.Owner" content="(C) Copyright IBM Corporation 2000, 2006" />
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<meta name="DC.Format" content="XHTML" />
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<meta name="DC.Identifier" content="rzajawhatnewvpn" />
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<meta name="DC.Language" content="en-us" />
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<!-- All rights reserved. Licensed Materials Property of IBM -->
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<!-- US Government Users Restricted Rights -->
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<!-- Use, duplication or disclosure restricted by -->
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<!-- GSA ADP Schedule Contract with IBM Corp. -->
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<link rel="stylesheet" type="text/css" href="./ibmdita.css" />
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<link rel="stylesheet" type="text/css" href="./ic.css" />
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<title>What's new for V5R4</title>
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</head>
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<body id="rzajawhatnewvpn"><a name="rzajawhatnewvpn"><!-- --></a>
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<img src="./delta.gif" alt="Start of change" /><!-- Java sync-link --><script language="Javascript" src="../rzahg/synch.js" type="text/javascript"></script>
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<h1 class="topictitle1">What's new for V5R4</h1>
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<div><p>Describes what information is new or significantly changed in this
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release.</p>
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<div class="section"><h4 class="sectiontitle">New Function: Traffic Flow Confidentiality (TFC)</h4><p>Traffic
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Flow Confidentiality (TFC) allows you to conceal the actual length of the
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data packets transferred over the VPN connection. Use TFC for extra security
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against attackers who might guess the type of data being sent over the VPN
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connection from the length of the data packet. You can only use TFC if your
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data policy is setup for Tunnel Mode. </p>
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<ul><li><a href="rzajatfc.htm">Configure Traffic Flow Confidentiality (TFC)</a></li>
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</ul>
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</div>
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<div class="section"><h4 class="sectiontitle">New Function: Extended Sequence Number (ESN)</h4><p>Extended
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Sequence Number (ESN) allows your VPN connection to transmit large volumes
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of data at a high speed with out having to frequently re-key. You can only
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enable ESN when your data policy uses the Authentication Header (AH) protocol
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or the Encapsulation Security Payload (ESP) protocol and AES as the encryption
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algorithm.</p>
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<ul><li><a href="rzajaconfigureesn.htm">Configure Extended Sequence Number (ESN)</a></li>
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</ul>
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</div>
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<div class="section"><h4 class="sectiontitle">New Scenario: Firewall Friendly VPN</h4><p>In this scenario
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you can learn how to establish a VPN connection where the gateway (client)
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and the host (server) are behind a firewall running Network Address Translation
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(NAT). </p>
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<ul><li><a href="rzajaupdscenario.htm">Scenario: Firewall Friendly VPN</a></li>
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</ul>
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</div>
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<div class="section"><h4 class="sectiontitle">How to see what's new or changed</h4><div class="p">To help you see
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where technical changes have been made, this information uses: <ul><li>The <img src="delta.gif" alt="Start of change" /> image to mark
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where new or changed information begins.</li>
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<li>The <img src="deltaend.gif" alt="End of change" /> image to mark
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where new or changed information ends.</li>
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</ul>
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</div>
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<p>To find other information about what's new or changed this release,
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see the <a href="../rzahg/rzahgmtu.htm">Memo
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to Users</a>.</p>
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</div>
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</div>
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<div>
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<div class="familylinks">
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<div class="parentlink"><strong>Parent topic:</strong> <a href="rzajagetstart.htm" title="A virtual private network (VPN) allows your company to securely extend its private intranet over the existing framework of a public network, such as the Internet. With VPN, your company can control network traffic while providing important security features such as authentication and data privacy.">Virtual Private Networking (VPN)</a></div>
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</div>
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</div>
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<img src="./deltaend.gif" alt="End of change" /></body>
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</html>
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